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[#122] Add BigIntFromStackItem

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Neo-go can return big.Int values on stack after contract execution.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-10-28 15:59:40 +03:00 • committed by Alex Vanin
parent 330c4b42d9
commit e3c060b739
2 changed files with 33 additions and 0 deletions
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6
pkg/morph/client/util.go
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@ -2,6 +2,7 @@ package client
import (
"encoding/binary"
"math/big"
sc "github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
@ -157,6 +158,11 @@ func IntFromStackItem(param stackitem.Item) (int64, error) {
}
}
// BigIntFromStackItem receives numerical value from the value of a smart contract parameter.
func BigIntFromStackItem(param stackitem.Item) (*big.Int, error) {
return param.TryInteger()
}
// BytesFromStackItem receives binary value from the value of a smart contract parameter.
func BytesFromStackItem(param stackitem.Item) ([]byte, error) {
switch param.Type() {